METHOD OF DETERMINING DURABILITY OF FERROCONCRETE STRUCTURES AT LOW TEMPERATURES

FIELD: testing engineering. ^ SUBSTANCE: method comprises measuring ultrasonic velocity in the concrete specimens predominantly saturated with moisture and frozen at a negative temperature of ambient air, plotting calibration curve of the dependence of effective diffusivity of carbon dioxide in conc...

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Bibliographic Details
Main Authors ALIMOV ANATOLIJ GEORGIEVICH, CHASOVSKOJ PAVEL VASIL'EVICH, KARPUNIN VASILIJ VALENTINOVICH
Format Patent
LanguageEnglish
Russian
Published 27.04.2007
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:FIELD: testing engineering. ^ SUBSTANCE: method comprises measuring ultrasonic velocity in the concrete specimens predominantly saturated with moisture and frozen at a negative temperature of ambient air, plotting calibration curve of the dependence of effective diffusivity of carbon dioxide in concrete on the value of ultrasonic velocity, determining effective diffusivity of carbon dioxide from the preliminary plotted calibration curve, and calculating the ferroconcrete durability from the data obtained. ^ EFFECT: enhanced precision and reliability. ^ 2 dwg
Bibliography:Application Number: RU20060107454